27-04-2009, 11:21 PM
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A long flashover arrester (LFA), which comprises three flashover modules using the creeping discharge effect, is described in this paper. In this design, the total arrester-stressing voltage is applied simultaneously to all of the modules so that the voltage-time characteristics of the arrester are improved considerably assuring reliable protection of medium voltage (e.g. 10 kV) overhead power lines against both induced overvoltages and direct lightning strokes. A single LFA per support or pole is found to be sufficient to protect an overhead line against induced overvoltages. An LFA should be arranged in parallel with each insulator in order to protect a line against direct lightning strokes.
i dont have acces to download the file.. if you have please upload here for your comrade ...
this is the page link " http://ieeexplore.ieeeXplore/login.jsp?u...ision=-203 "
A long flashover arrester (LFA), which comprises three flashover modules using the creeping discharge effect, is described in this paper. In this design, the total arrester-stressing voltage is applied simultaneously to all of the modules so that the voltage-time characteristics of the arrester are improved considerably assuring reliable protection of medium voltage (e.g. 10 kV) overhead power lines against both induced overvoltages and direct lightning strokes. A single LFA per support or pole is found to be sufficient to protect an overhead line against induced overvoltages. An LFA should be arranged in parallel with each insulator in order to protect a line against direct lightning strokes.
